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Finding the Fourth Proportional to 141,491.01, 212,163.48 and 41,638.24

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Solution

The fourth proportional to 141,491.01, 212,163.48 and 41,638.24 is: 62,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,491.01 : 212,163.48 = 41,638.24 : x
  2. Step 2: Convert to fraction form
    141,491.01/212,163.48 = 41,638.24/x
  3. Step 3: Cross multiply
    141,491.01x = 212,163.48 × 41,638.24
  4. Step 4: Simplify right side
    141,491.01x = 8,834,113,369.07
  5. Step 5: Solve for x
    x = 8,834,113,369.07/141,491.01
  6. Step 6: Final answer
    x = 62,435.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.